11578214467 has 16 divisors (see below), whose sum is σ = 12178920960. Its totient is φ = 10985832000.

The previous prime is 11578214423. The next prime is 11578214477. The reversal of 11578214467 is 76441287511.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11578214467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11578214477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981367 + ... + 2985247.

It is an arithmetic number, because the mean of its divisors is an integer number (761182560).

Almost surely, 2^11578214467 is an apocalyptic number.

11578214467 is a deficient number, since it is larger than the sum of its proper divisors (600706493).

11578214467 is a wasteful number, since it uses less digits than its factorization.

11578214467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914.

The product of its digits is 376320, while the sum is 46.

The spelling of 11578214467 in words is "eleven billion, five hundred seventy-eight million, two hundred fourteen thousand, four hundred sixty-seven".